Shubham Jha - Class 9
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Chromosomes are made up of
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40%
Dna
16%
Rna
38%
Dna and protein
6%
Rna and amino acid
Which of the following are covered by a single membrane?
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39%
Mitochondria
37%
Vacoule
19%
Lysosome
5%
None
…… is a Latin word for ‘a little room’.
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61%
Cell
25%
Tissue
9%
Dna
4%
None
The process of …………… helps in movement of carbon dioxide or oxygen across the cell membrane.
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38%
Osmosis
24%
Fusion
16%
Absorption
21%
Diffusion
The movement of water molecules through a selectively permeable membrane is called ……
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55%
Osmosis
22%
Fusion
15%
Diffusion
8%
Absorption
Forwarded from Shubham Jha - Class 10 (Shubham Jha)
You are in
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82%
Class 9
15%
Class 10
3%
Other
The combining power of an element is known as its …………….
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52%
Valency
28%
Atomic energy
9%
Atomic number
10%
Atomic mass
What is the mass of a proton and a neutron?
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45%
1amu
30%
1g
14%
1
11%
None
How many times an atom of sulphur is heavier than an atom of carbon?
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38%
8/4 times
33%
8/3times
14%
8/2 times
16%
8times
🤯1
What is the formula unit mass of CaCl2?
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35%
111u
43%
121u
13%
112
8%
122u
The relative molecular mass of Na2S2O3.5H2O is
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41%
250 amu
44%
248 amu
12%
246amu
3%
234amu
👍1